Langer's Sudoku Assistant

Invalid Sudoku!

Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

2
4
7
9
8
1
5
3
6
3
5
8
4
1  2  3
4  5  6
7  8  9
6
7
9
1
1
6
9
3
7
5
2
4
8
4
9
5
6
7
3
1
2
8
6
2
3
1
8
4
5
7
9
8
1
7
5
9
2
4
3
6
8
1
2
3
6
9
7
5
4
9
      3
      6
       
7
8
4
5
9
1
2
       
      6
      9
5
4
7
2
1
       
      6
      9
8
3

 

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Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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